3220663 has 2 divisors, whose sum is σ = 3220664. Its totient is φ = 3220662.

The previous prime is 3220661. The next prime is 3220669. The reversal of 3220663 is 3660223.

3220663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3220663 - 2¹ = 3220661 is a prime.

Together with 3220661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610331 + 1610332.

It is an arithmetic number, because the mean of its divisors is an integer number (1610332).

Almost surely, 2^3220663 is an apocalyptic number.

3220663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220663 is an equidigital number, since it uses as much as digits as its factorization.

3220663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3220663 is about 1794.6205727117. The cubic root of 3220663 is about 147.6777594497.

Adding to 3220663 its reverse (3660223), we get a palindrome (6880886).

It can be divided in two parts, 3220 and 663, that added together give a palindrome (3883).

The spelling of 3220663 in words is "three million, two hundred twenty thousand, six hundred sixty-three".